Google is expected to generate $8.8 billion in revenue from mobile advertising this year (via CNET). The market for mobile ad sales is expected to reach $16 billion this year, giving Google a 56 percent share. The company sold $4.6 billion in mobile ads last year.
Facebook is expected to come in second with a 13 percent share, while Pandora will come in third with 2.5 percent of the market, and Twitter fourth with 1.95 percent.
“Across all digital platforms, Google continues to reign as not only the largest beneficiary of digital ad spending in the U.S., but worldwide as well,” eMarketer said in a statement.